What does DNE mean on Heritage?

Was watching a coin and it suddenly doesn't show up any more and in my tracked list, it says DNE?
I'm irritated, I really wanted this coin.
I'm irritated, I really wanted this coin.
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<< <i>Maybe. If it still isn't back up tomorrow, I'll call them, then post the coin and maybe somebody can spot what I spotted. >>
What's the latest?